280537740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1917

約数の個数: 216

約数和(自身を含む): 1048686912

約数和(自身を除く): 768149172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 588, 595, 612, 630, 714, 735, 765, 833, 882, 980, 1020, 1071, 1190, 1260, 1428, 1470, 1530, 1666, 1764, 1785, 1871, 2142, 2205, 2380, 2499, 2940, 3060, 3332, 3570, 3742, 4165, 4284, 4410, 4998, 5355, 5613, 7140, 7484, 7497, 8330, 8820, 9355, 9996, 10710, 11226, 12495, 13097, 14994, 16660, 16839, 18710, 21420, 22452, 24990, 26194, 28065, 29988, 31807, 33678, 37420, 37485, 39291, 49980, 52388, 56130, 63614, 65485, 67356, 74970, 78582, 84195, 91679, 95421, 112260, 117873, 127228, 130970, 149940, 157164, 159035, 168390, 183358, 190842, 196455, 222649, 235746, 261940, 275037, 286263, 318070, 336780, 366716, 381684, 392910, 445298, 458395, 471492, 477105, 550074, 572526, 589365, 636140, 667947, 785820, 825111, 890596, 916790, 954210, 1100148, 1113245, 1145052, 1178730, 1335894, 1375185, 1431315, 1558543, 1650222, 1833580, 1908420, 2003841, 2226490, 2357460, 2671788, 2750370, 2862630, 3117086, 3300444, 3339735, 4007682, 4125555, 4452980, 4675629, 5500740, 5725260, 6234172, 6679470, 7792715, 8015364, 8251110, 9351258, 10019205, 13358940, 14026887, 15585430, 16502220, 18702516, 20038410, 23378145, 28053774, 31170860, 40076820, 46756290, 56107548, 70134435, 93512580, 140268870, 280537740]

約数ペア:

[(1, 280537740), (2, 140268870), (3, 93512580), (4, 70134435), (5, 56107548), (6, 46756290), (7, 40076820), (9, 31170860), (10, 28053774), (12, 23378145), (14, 20038410), (15, 18702516), (17, 16502220), (18, 15585430), (20, 14026887), (21, 13358940), (28, 10019205), (30, 9351258), (34, 8251110), (35, 8015364), (36, 7792715), (42, 6679470), (45, 6234172), (49, 5725260), (51, 5500740), (60, 4675629), (63, 4452980), (68, 4125555), (70, 4007682), (84, 3339735), (85, 3300444), (90, 3117086), (98, 2862630), (102, 2750370), (105, 2671788), (119, 2357460), (126, 2226490), (140, 2003841), (147, 1908420), (153, 1833580), (170, 1650222), (180, 1558543), (196, 1431315), (204, 1375185), (210, 1335894), (238, 1178730), (245, 1145052), (252, 1113245), (255, 1100148), (294, 954210), (306, 916790), (315, 890596), (340, 825111), (357, 785820), (420, 667947), (441, 636140), (476, 589365), (490, 572526), (510, 550074), (588, 477105), (595, 471492), (612, 458395), (630, 445298), (714, 392910), (735, 381684), (765, 366716), (833, 336780), (882, 318070), (980, 286263), (1020, 275037), (1071, 261940), (1190, 235746), (1260, 222649), (1428, 196455), (1470, 190842), (1530, 183358), (1666, 168390), (1764, 159035), (1785, 157164), (1871, 149940), (2142, 130970), (2205, 127228), (2380, 117873), (2499, 112260), (2940, 95421), (3060, 91679), (3332, 84195), (3570, 78582), (3742, 74970), (4165, 67356), (4284, 65485), (4410, 63614), (4998, 56130), (5355, 52388), (5613, 49980), (7140, 39291), (7484, 37485), (7497, 37420), (8330, 33678), (8820, 31807), (9355, 29988), (9996, 28065), (10710, 26194), (11226, 24990), (12495, 22452), (13097, 21420), (14994, 18710), (16660, 16839)]